day10p1

6 years ago · 5a786580bc
9 changed files with 500 additions and 8 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1 +1,2 @@
 */main
+day10p1/out/*.pbm
--- a/day10p1/Makefile
+++ b/day10p1/Makefile
@ -0,0 +1,16 @@
+CFLAGS := -Wall -Wextra -std=c17 -D_GNU_SOURCE
+
+LIBS := glib-2.0
+CFLAGS += $(shell pkg-config --cflags $(LIBS))
+LDLIBS := $(shell pkg-config --libs $(LIBS))
+
+.PHONY: all
+all: main out/
+
+.PHONY: clean
+clean:
+	rm -f main out/*
+
+out/:
+	mkdir -p $@
+	touch $@/.gitkeep
--- a/day10p1/input
+++ b/day10p1/input
@ -0,0 +1,324 @@
+position=<-30509,  41062> velocity=< 3, -4>
+position=<-50990, -20297> velocity=< 5,  2>
+position=<-50968,  51288> velocity=< 5, -5>
+position=<-51003, -40754> velocity=< 5,  4>
+position=<-51011,  10375> velocity=< 5, -1>
+position=< 30840,  41058> velocity=<-3, -4>
+position=<-30546,  51284> velocity=< 3, -5>
+position=<-10090,  41065> velocity=< 1, -4>
+position=<-51024, -40755> velocity=< 5,  4>
+position=< 30832, -40757> velocity=<-3,  4>
+position=< 20597, -20297> velocity=<-2,  2>
+position=<-50964,  51292> velocity=< 5, -5>
+position=<-20303,  20608> velocity=< 2, -2>
+position=< 10351,  51292> velocity=<-1, -5>
+position=< 30792,  41065> velocity=<-3, -4>
+position=<-51008,  30833> velocity=< 5, -3>
+position=< 41023,  51287> velocity=<-4, -5>
+position=< 41067, -50987> velocity=<-4,  5>
+position=<-50966,  41060> velocity=< 5, -4>
+position=< 30792, -30527> velocity=<-3,  3>
+position=< 51246,  10375> velocity=<-5, -1>
+position=< 20586,  30831> velocity=<-2, -3>
+position=<-40789, -10071> velocity=< 4,  1>
+position=< 51248,  30833> velocity=<-5, -3>
+position=<-10071, -50987> velocity=< 1,  5>
+position=< 10378,  30831> velocity=<-1, -3>
+position=< 20581, -50978> velocity=<-2,  5>
+position=<-10116, -50984> velocity=< 1,  5>
+position=<-20335, -10073> velocity=< 2,  1>
+position=<-50968, -30529> velocity=< 5,  3>
+position=< 51267, -20299> velocity=<-5,  2>
+position=<-51016, -20306> velocity=< 5,  2>
+position=<-10084,  41057> velocity=< 1, -4>
+position=< 20589, -30526> velocity=<-2,  3>
+position=< 30849,  41065> velocity=<-3, -4>
+position=< 10383,  41065> velocity=<-1, -4>
+position=< 41059,  51286> velocity=<-4, -5>
+position=< 41022, -50987> velocity=<-4,  5>
+position=< 20600,  30838> velocity=<-2, -3>
+position=<-20335, -50981> velocity=< 2,  5>
+position=<-20285,  30838> velocity=< 2, -3>
+position=<-10073,  10377> velocity=< 1, -1>
+position=< 41069, -50978> velocity=<-4,  5>
+position=<-30567, -50987> velocity=< 3,  5>
+position=<-20291, -30524> velocity=< 2,  3>
+position=<-10076,  51287> velocity=< 1, -5>
+position=<-40788,  51287> velocity=< 4, -5>
+position=< 30808,  10378> velocity=<-3, -1>
+position=<-30562, -40759> velocity=< 3,  4>
+position=<-51016,  30833> velocity=< 5, -3>
+position=< 20565, -20302> velocity=<-2,  2>
+position=<-51019,  41056> velocity=< 5, -4>
+position=< 30802,  10378> velocity=<-3, -1>
+position=< 51307,  41059> velocity=<-5, -4>
+position=< 51265, -50982> velocity=<-5,  5>
+position=< 41080, -50980> velocity=<-4,  5>
+position=< 30813,  10378> velocity=<-3, -1>
+position=< 30809, -10078> velocity=<-3,  1>
+position=< 10346, -20299> velocity=<-1,  2>
+position=<-51016,  10381> velocity=< 5, -1>
+position=<-10081, -20297> velocity=< 1,  2>
+position=< 51265, -40755> velocity=<-5,  4>
+position=< 51303,  20602> velocity=<-5, -2>
+position=<-50992, -40755> velocity=< 5,  4>
+position=< 41059,  51291> velocity=<-4, -5>
+position=< 10370, -30529> velocity=<-1,  3>
+position=<-30549, -10071> velocity=< 3,  1>
+position=<-20308, -20297> velocity=< 2,  2>
+position=< 10341,  51287> velocity=<-1, -5>
+position=< 41079, -40756> velocity=<-4,  4>
+position=< 10339,  51292> velocity=<-1, -5>
+position=<-20283,  30829> velocity=< 2, -3>
+position=< 41067, -30530> velocity=<-4,  3>
+position=<-10105, -30531> velocity=< 1,  3>
+position=<-40765, -30527> velocity=< 4,  3>
+position=< 10356,  51288> velocity=<-1, -5>
+position=< 51278, -10073> velocity=<-5,  1>
+position=<-51016, -20298> velocity=< 5,  2>
+position=<-40780, -30528> velocity=< 4,  3>
+position=<-30522, -50980> velocity=< 3,  5>
+position=<-40776,  51289> velocity=< 4, -5>
+position=< 20597, -50984> velocity=<-2,  5>
+position=<-10076, -10079> velocity=< 1,  1>
+position=< 51294, -50978> velocity=<-5,  5>
+position=< 41051,  30836> velocity=<-4, -3>
+position=< 41028, -10075> velocity=<-4,  1>
+position=<-50973,  10384> velocity=< 5, -1>
+position=< 51246, -20304> velocity=<-5,  2>
+position=< 30843,  20611> velocity=<-3, -2>
+position=<-40797,  10378> velocity=< 4, -1>
+position=< 51254,  20611> velocity=<-5, -2>
+position=< 41052,  51292> velocity=<-4, -5>
+position=< 10343, -20297> velocity=<-1,  2>
+position=<-30570,  20609> velocity=< 3, -2>
+position=<-40753,  51284> velocity=< 4, -5>
+position=< 20581,  41061> velocity=<-2, -4>
+position=<-30514, -20304> velocity=< 3,  2>
+position=< 51246, -30527> velocity=<-5,  3>
+position=< 10378,  30836> velocity=<-1, -3>
+position=< 51290,  20603> velocity=<-5, -2>
+position=< 51247,  51292> velocity=<-5, -5>
+position=<-51008, -20299> velocity=< 5,  2>
+position=<-30553,  30834> velocity=< 3, -3>
+position=< 51257, -30526> velocity=<-5,  3>
+position=< 41060,  10380> velocity=<-4, -1>
+position=<-30511,  20602> velocity=< 3, -2>
+position=< 10367, -50978> velocity=<-1,  5>
+position=< 41051,  41056> velocity=<-4, -4>
+position=<-40777,  20603> velocity=< 4, -2>
+position=< 30853,  10380> velocity=<-3, -1>
+position=<-10112,  41065> velocity=< 1, -4>
+position=<-40757,  20609> velocity=< 4, -2>
+position=< 51303,  20606> velocity=<-5, -2>
+position=<-51022,  41065> velocity=< 5, -4>
+position=<-10106,  10378> velocity=< 1, -1>
+position=< 41024,  30829> velocity=<-4, -3>
+position=<-50965, -50987> velocity=< 5,  5>
+position=< 51307, -50985> velocity=<-5,  5>
+position=< 51270, -30532> velocity=<-5,  3>
+position=<-51014,  30835> velocity=< 5, -3>
+position=< 10354, -30526> velocity=<-1,  3>
+position=<-40786,  41058> velocity=< 4, -4>
+position=<-10095, -30524> velocity=< 1,  3>
+position=<-40797, -10072> velocity=< 4,  1>
+position=< 20621,  20606> velocity=<-2, -2>
+position=< 10346, -10079> velocity=<-1,  1>
+position=< 20569, -20297> velocity=<-2,  2>
+position=< 51282,  41065> velocity=<-5, -4>
+position=< 10398, -40751> velocity=<-1,  4>
+position=< 20567, -20306> velocity=<-2,  2>
+position=<-20282, -20305> velocity=< 2,  2>
+position=<-40795,  10379> velocity=< 4, -1>
+position=< 51303,  51287> velocity=<-5, -5>
+position=<-10107,  41061> velocity=< 1, -4>
+position=< 10338, -20305> velocity=<-1,  2>
+position=< 20584,  51283> velocity=<-2, -5>
+position=<-20306, -20297> velocity=< 2,  2>
+position=< 41027,  10379> velocity=<-4, -1>
+position=< 41040, -30526> velocity=<-4,  3>
+position=< 51254, -20301> velocity=<-5,  2>
+position=< 30840, -10076> velocity=<-3,  1>
+position=< 10370,  10376> velocity=<-1, -1>
+position=< 30817,  51292> velocity=<-3, -5>
+position=<-50968, -30527> velocity=< 5,  3>
+position=< 30812, -30528> velocity=<-3,  3>
+position=<-30557,  20611> velocity=< 3, -2>
+position=< 20575,  41062> velocity=<-2, -4>
+position=<-40763, -10070> velocity=< 4,  1>
+position=< 30851,  41060> velocity=<-3, -4>
+position=< 30795, -20297> velocity=<-3,  2>
+position=< 30848,  20605> velocity=<-3, -2>
+position=<-40757, -10078> velocity=< 4,  1>
+position=< 10362, -10070> velocity=<-1,  1>
+position=<-51003, -10074> velocity=< 5,  1>
+position=< 20581, -20298> velocity=<-2,  2>
+position=< 30792, -50981> velocity=<-3,  5>
+position=<-50991, -30524> velocity=< 5,  3>
+position=<-20319,  41062> velocity=< 2, -4>
+position=<-10072, -50986> velocity=< 1,  5>
+position=< 30804,  41057> velocity=<-3, -4>
+position=<-20303, -50984> velocity=< 2,  5>
+position=< 41047,  51292> velocity=<-4, -5>
+position=< 41038, -20306> velocity=<-4,  2>
+position=<-20284,  41065> velocity=< 2, -4>
+position=< 41067, -20298> velocity=<-4,  2>
+position=<-30509,  51290> velocity=< 3, -5>
+position=<-50965, -50983> velocity=< 5,  5>
+position=< 20621,  30837> velocity=<-2, -3>
+position=< 30796, -10079> velocity=<-3,  1>
+position=<-50999, -40751> velocity=< 5,  4>
+position=<-20339,  10379> velocity=< 2, -1>
+position=< 20589, -10077> velocity=<-2,  1>
+position=<-40754, -30526> velocity=< 4,  3>
+position=< 41027, -30530> velocity=<-4,  3>
+position=< 51278, -50979> velocity=<-5,  5>
+position=< 51304, -30533> velocity=<-5,  3>
+position=<-30533,  30838> velocity=< 3, -3>
+position=< 10338,  51286> velocity=<-1, -5>
+position=<-40747,  51292> velocity=< 4, -5>
+position=<-10071, -20297> velocity=< 1,  2>
+position=< 41061, -50981> velocity=<-4,  5>
+position=<-30511, -50987> velocity=< 3,  5>
+position=<-50964,  10375> velocity=< 5, -1>
+position=<-30546,  41059> velocity=< 3, -4>
+position=< 51248,  41065> velocity=<-5, -4>
+position=< 20589, -20306> velocity=<-2,  2>
+position=< 10338,  30837> velocity=<-1, -3>
+position=< 10338, -40753> velocity=<-1,  4>
+position=<-40789, -30531> velocity=< 4,  3>
+position=<-40789, -50984> velocity=< 4,  5>
+position=< 51294, -30528> velocity=<-5,  3>
+position=<-20303,  41063> velocity=< 2, -4>
+position=<-10071,  10384> velocity=< 1, -1>
+position=<-30529,  30833> velocity=< 3, -3>
+position=< 41075, -20298> velocity=<-4,  2>
+position=< 41078, -30529> velocity=<-4,  3>
+position=< 51262,  30831> velocity=<-5, -3>
+position=< 20613,  20602> velocity=<-2, -2>
+position=<-50968,  41063> velocity=< 5, -4>
+position=<-30512, -40756> velocity=< 3,  4>
+position=< 51304, -50987> velocity=<-5,  5>
+position=< 30800, -20297> velocity=<-3,  2>
+position=< 10370, -20303> velocity=<-1,  2>
+position=<-20282,  30837> velocity=< 2, -3>
+position=<-20335, -50986> velocity=< 2,  5>
+position=<-50964, -30524> velocity=< 5,  3>
+position=<-20319, -40756> velocity=< 2,  4>
+position=< 10350,  51291> velocity=<-1, -5>
+position=<-51024,  41064> velocity=< 5, -4>
+position=<-40748,  20611> velocity=< 4, -2>
+position=<-51000,  30837> velocity=< 5, -3>
+position=<-10097,  30834> velocity=< 1, -3>
+position=< 20613, -20305> velocity=<-2,  2>
+position=< 51258,  41057> velocity=<-5, -4>
+position=<-40757, -50982> velocity=< 4,  5>
+position=< 10388, -20297> velocity=<-1,  2>
+position=<-51003, -20297> velocity=< 5,  2>
+position=<-10068,  41062> velocity=< 1, -4>
+position=< 10359, -20304> velocity=<-1,  2>
+position=<-10073,  51290> velocity=< 1, -5>
+position=< 30840, -20304> velocity=<-3,  2>
+position=< 30800,  30834> velocity=<-3, -3>
+position=< 10394,  30838> velocity=<-1, -3>
+position=<-40794, -20306> velocity=< 4,  2>
+position=<-51016, -30528> velocity=< 5,  3>
+position=<-10067,  10384> velocity=< 1, -1>
+position=< 41067, -10071> velocity=<-4,  1>
+position=<-10076, -50982> velocity=< 1,  5>
+position=<-40741,  10376> velocity=< 4, -1>
+position=< 51247, -20302> velocity=<-5,  2>
+position=<-10076, -20305> velocity=< 1,  2>
+position=<-50976, -20302> velocity=< 5,  2>
+position=< 41036,  30830> velocity=<-4, -3>
+position=<-50976, -40758> velocity=< 5,  4>
+position=<-10100, -40753> velocity=< 1,  4>
+position=<-30530,  51288> velocity=< 3, -5>
+position=< 20613,  51286> velocity=<-2, -5>
+position=<-20311,  10380> velocity=< 2, -1>
+position=< 20570, -40760> velocity=<-2,  4>
+position=< 41040, -40756> velocity=<-4,  4>
+position=<-30530,  51292> velocity=< 3, -5>
+position=< 20613,  10381> velocity=<-2, -1>
+position=<-20287, -10074> velocity=< 2,  1>
+position=< 30849, -10079> velocity=<-3,  1>
+position=< 41027,  41056> velocity=<-4, -4>
+position=< 51287,  51287> velocity=<-5, -5>
+position=<-50971, -30524> velocity=< 5,  3>
+position=<-40776, -50980> velocity=< 4,  5>
+position=< 10395,  51283> velocity=<-1, -5>
+position=< 10354, -20300> velocity=<-1,  2>
+position=< 10378,  20603> velocity=<-1, -2>
+position=< 20597, -50985> velocity=<-2,  5>
+position=<-30570, -50987> velocity=< 3,  5>
+position=< 20609,  20610> velocity=<-2, -2>
+position=< 41062, -50980> velocity=<-4,  5>
+position=< 41064, -10079> velocity=<-4,  1>
+position=< 30792, -30533> velocity=<-3,  3>
+position=< 10362, -30530> velocity=<-1,  3>
+position=<-20282,  10380> velocity=< 2, -1>
+position=< 30853,  41057> velocity=<-3, -4>
+position=< 41027, -40756> velocity=<-4,  4>
+position=<-20322,  51285> velocity=< 2, -5>
+position=<-30558, -30532> velocity=< 3,  3>
+position=< 20623, -20302> velocity=<-2,  2>
+position=< 10395,  10379> velocity=<-1, -1>
+position=< 51295,  41065> velocity=<-5, -4>
+position=<-10116,  30833> velocity=< 1, -3>
+position=<-40741,  51286> velocity=< 4, -5>
+position=< 10362,  10380> velocity=<-1, -1>
+position=< 30816, -10071> velocity=<-3,  1>
+position=< 30803,  20604> velocity=<-3, -2>
+position=< 30834,  20605> velocity=<-3, -2>
+position=<-30534,  41065> velocity=< 3, -4>
+position=<-50984,  20608> velocity=< 5, -2>
+position=< 51294, -50981> velocity=<-5,  5>
+position=< 10371, -40751> velocity=<-1,  4>
+position=< 41059, -50978> velocity=<-4,  5>
+position=<-40797, -10078> velocity=< 4,  1>
+position=< 10354,  20605> velocity=<-1, -2>
+position=<-50992, -30525> velocity=< 5,  3>
+position=<-30554, -50983> velocity=< 3,  5>
+position=< 30795, -30529> velocity=<-3,  3>
+position=<-10055, -30526> velocity=< 1,  3>
+position=<-50992, -40759> velocity=< 5,  4>
+position=<-20295, -40755> velocity=< 2,  4>
+position=<-20322, -10071> velocity=< 2,  1>
+position=< 41060,  51288> velocity=<-4, -5>
+position=<-51011,  30838> velocity=< 5, -3>
+position=< 30819, -20297> velocity=<-3,  2>
+position=< 10359,  30837> velocity=<-1, -3>
+position=< 30801,  10379> velocity=<-3, -1>
+position=< 10394, -50982> velocity=<-1,  5>
+position=<-30546, -20303> velocity=< 3,  2>
+position=<-30562, -20304> velocity=< 3,  2>
+position=<-20339,  41056> velocity=< 2, -4>
+position=<-50964, -20302> velocity=< 5,  2>
+position=< 10343,  20611> velocity=<-1, -2>
+position=< 10370, -20301> velocity=<-1,  2>
+position=<-20343,  20606> velocity=< 2, -2>
+position=< 30832,  10383> velocity=<-3, -1>
+position=< 20565,  20611> velocity=<-2, -2>
+position=< 30797,  30838> velocity=<-3, -3>
+position=< 41080,  30831> velocity=<-4, -3>
+position=< 20597, -10076> velocity=<-2,  1>
+position=<-50995,  41065> velocity=< 5, -4>
+position=<-40793, -10079> velocity=< 4,  1>
+position=< 10378, -30531> velocity=<-1,  3>
+position=< 30848,  10375> velocity=<-3, -1>
+position=<-10076, -40758> velocity=< 1,  4>
+position=<-40736, -30530> velocity=< 4,  3>
+position=<-40776, -20301> velocity=< 4,  2>
+position=<-10068,  41056> velocity=< 1, -4>
+position=<-30529,  10379> velocity=< 3, -1>
+position=<-30570,  10377> velocity=< 3, -1>
+position=<-20295, -10075> velocity=< 2,  1>
+position=< 51247, -40760> velocity=<-5,  4>
+position=<-40773, -40755> velocity=< 4,  4>
+position=< 30809, -50982> velocity=<-3,  5>
+position=<-30551,  51283> velocity=< 3, -5>
+position=<-10116,  10376> velocity=< 1, -1>
+position=<-10115, -40751> velocity=< 1,  4>
+position=<-20311, -20298> velocity=< 2,  2>
+position=<-10098,  10375> velocity=< 1, -1>
+position=< 30849, -50978> velocity=<-3,  5>
--- a/day10p1/main.c
+++ b/day10p1/main.c
@ -0,0 +1,157 @@
+#include <stdio.h>
+#include <limits.h>
+
+#include <glib.h>
+
+struct light {
+    int x;
+    int y;
+    int velx;
+    int vely;
+};
+
+struct rect {
+    int x;
+    int y;
+    int w;
+    int h;
+};
+
+struct light *parse_lights(const char *fname, unsigned *len)
+{
+    FILE *f = fopen(fname, "r");
+    if (!f) {
+        perror(fname);
+        return NULL;
+    }
+
+    GArray *array = g_array_new(FALSE, TRUE, sizeof(struct light));
+
+    char *line = NULL;
+    size_t line_len = 0;
+    while (getline(&line, &line_len, f) != -1) {
+        struct light light;
+        sscanf(line, "position=<%d, %d> velocity=<%d, %d>",
+                &light.x, &light.y, &light.velx, &light.vely);
+        g_array_append_val(array, light);
+    }
+
+    *len = array->len;
+
+    free(line);
+    fclose(f);
+    return (struct light *)g_array_free(array, FALSE);
+}
+
+struct rect get_frame(struct light *lights, const unsigned lights_len)
+{
+    struct rect res = {0};
+
+    if (!lights_len) return res;
+
+    res.x = lights->x;
+    res.y = lights->y;
+    int xmax = res.x;
+    int ymax = res.y;
+
+    for (struct light *light = lights + 1; light < lights + lights_len; light++) {
+        if (light->x < res.x) res.x = light->x;
+        if (light->y < res.y) res.y = light->y;
+        if (light->x > xmax) xmax = light->x;
+        if (light->y > ymax) ymax = light->y;
+    }
+
+    res.w = xmax - res.x + 1;
+    res.h = ymax - res.y + 1;
+
+    return res;
+}
+
+void advance_frame(struct light *lights, const unsigned lights_len)
+{
+    for (struct light *light = lights; light < lights + lights_len; light++) {
+        light->x += light->velx;
+        light->y += light->vely;
+    }
+}
+
+int check_limit(const struct rect limit, struct light *lights,
+                const unsigned lights_len)
+{
+    for (struct light *light = lights; light < lights + lights_len; light++) {
+        if (light->x < limit.x) return 1;
+        if (light->y < limit.y) return 1;
+        if (light->x > limit.x + limit.w) return 1;
+        if (light->y > limit.y + limit.h) return 1;
+    }
+    return 0;
+}
+
+int make_bitmap(const char *fname, const struct rect frame,
+                struct light *lights, const unsigned lights_len)
+{
+    int bitmap_width = frame.w / CHAR_BIT;
+    if (frame.w % CHAR_BIT != 0) bitmap_width++;
+
+    size_t bitmap_size = frame.h * bitmap_width;
+    char (*bitmap)[bitmap_width] = calloc(1, bitmap_size);
+    if (!bitmap) {
+        perror("calloc");
+        return 1;
+    }
+
+    for (struct light *light = lights; light < lights + lights_len; light++) {
+        if (light->x < frame.x) continue;
+        if (light->y < frame.y) continue;
+        if (light->x > frame.x + frame.w) continue;
+        if (light->y > frame.y + frame.h) continue;
+
+        int bitmap_x = light->x - frame.x;
+        int bitmap_y = light->y - frame.y;
+
+        bitmap[bitmap_y][bitmap_x / CHAR_BIT] |= 1 << (CHAR_BIT - bitmap_x % CHAR_BIT - 1);
+    }
+
+    FILE *f = fopen(fname, "w");
+    if (!f) {
+        perror(fname);
+        free(bitmap);
+        return 1;
+    }
+
+    fprintf(f, "P4\n%d %d\n", frame.w, frame.h);
+    fwrite(bitmap, bitmap_size, 1, f);
+
+    free(bitmap);
+    fclose(f);
+    return 0;
+}
+
+#define REASONABLE_HEIGHT 100
+
+int main()
+{
+    unsigned lights_len;
+    struct light *lights = parse_lights("input", &lights_len);
+    if (!lights) return 1;
+
+    struct rect frame;
+
+    while (1) {
+        frame = get_frame(lights, lights_len);
+        if (frame.h <= REASONABLE_HEIGHT) break;
+        advance_frame(lights, lights_len);
+    }
+
+    GString *fname = g_string_new(NULL);
+    unsigned frame_id = 0;
+    while (check_limit(frame, lights, lights_len) == 0) {
+        g_string_printf(fname, "out/frame%03d.pbm", frame_id++);
+        if (make_bitmap(fname->str, frame, lights, lights_len)) break;
+        advance_frame(lights, lights_len);
+    }
+
+    g_string_free(fname, TRUE);
+    free(lights);
+    return 0;
+}
--- a/day10p1/makegif.sh
+++ b/day10p1/makegif.sh
@ -0,0 +1,2 @@
+#!/bin/sh
+convert -resize 200% -filter point -delay 20 -loop 0 out/*.pbm out.gif
--- a/day10p1/out.gif
+++ b/day10p1/out.gif
--- a/day10p1/out/.gitkeep
+++ b/day10p1/out/.gitkeep
--- a/day9p1/Makefile
+++ b/day9p1/Makefile
@ -1,9 +1,5 @@
 CFLAGS := -Wall -Wextra -std=c17 -D_GNU_SOURCE

-#LIBS := glib-2.0
-#CFLAGS += $(shell pkg-config --cflags $(LIBS))
-#LDLIBS := $(shell pkg-config --libs $(LIBS))
-
 .PHONY: all
 all: main

--- a/day9p2/Makefile
+++ b/day9p2/Makefile
@ -1,9 +1,5 @@
 CFLAGS := -Wall -Wextra -std=c17 -D_GNU_SOURCE

-#LIBS := glib-2.0
-#CFLAGS += $(shell pkg-config --cflags $(LIBS))
-#LDLIBS := $(shell pkg-config --libs $(LIBS))
-
 .PHONY: all
 all: main